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Ecotoxicological information

Long-term toxicity to fish

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Description of key information

The chemical safety assessment carried out according to Annex I of Regulation (EC) No 1907/2006 does not indicate the need to investigate further the long-term toxicity to fish.

Key value for chemical safety assessment

Additional information

There are no long-term fish studies available for fatty acids, coco, isotridecyl esters (CAS 91031-91-3). Available short-term toxicity studies for fish, daphnia and algae, all indicate no potential for aquatic toxicity. Moreover, chronic data from algae and aquatic invertebrates (OECD 211) clearly indicate no effects in the range of water solubility.

Since there is no sign that aquatic invertebrates are less sensitive than fish in the short-term tests, it cannot be expected that a long-term test with fish will generate different results then the available long-term study with aquatic invertebrates. Due to its ready biodegradability it is not likely that aquatic organisms are exposed to the test substance since it will be ultimately degraded in sewage treatment plants. Thus, based on the above mentioned results, it can be excluded that any substance within the category will exhibit chronic toxicity to fish up to the limit of water solubility. Hence due to animal welfare reasons and to avoid unnecessary vertebrate tests, no further long-term test with fish was proposed. Thus, the chemical safety assessment carried out according to Annex I of Regulation (EC) No 1907/2006 does not indicate the need to investigate further the long-term toxicity to fish. Thus, in accordance to Annex IX, column 2 no further long-term toxicity test to fish is proposed.